31394750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 63685440

約数和(自身を除く): 32290690

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 83, 85, 89, 125, 166, 170, 178, 250, 415, 425, 445, 830, 850, 890, 1411, 1513, 2075, 2125, 2225, 2822, 3026, 4150, 4250, 4450, 7055, 7387, 7565, 10375, 11125, 14110, 14774, 15130, 20750, 22250, 35275, 36935, 37825, 70550, 73870, 75650, 125579, 176375, 184675, 189125, 251158, 352750, 369350, 378250, 627895, 923375, 1255790, 1846750, 3139475, 6278950, 15697375, 31394750]

約数ペア:

[(1, 31394750), (2, 15697375), (5, 6278950), (10, 3139475), (17, 1846750), (25, 1255790), (34, 923375), (50, 627895), (83, 378250), (85, 369350), (89, 352750), (125, 251158), (166, 189125), (170, 184675), (178, 176375), (250, 125579), (415, 75650), (425, 73870), (445, 70550), (830, 37825), (850, 36935), (890, 35275), (1411, 22250), (1513, 20750), (2075, 15130), (2125, 14774), (2225, 14110), (2822, 11125), (3026, 10375), (4150, 7565), (4250, 7387), (4450, 7055)]